[IDV #SQR-320006]: Can't reset smoothing

> > Yuan-
> >
> > What happens if someone smooths the grid and then changes the skip
> > factor?  Does the smoothing get applied to the decimated grid?
> >
> > Don

Don,
    It actually get applied to the decimated grid. It is not through 
applySmoothing(), but in the getSliceForDisplay as the smoothType is not none, 
so it works.


Yuan
> 
> No, it is easy to add the checking of skip factor. But I didn't see any place 
> you can change the skip factor after the contour created.
> 
> Yuan
> >
> > On 1/11/11 3:13 PM, Unidata IDV Support wrote:
> > >> Yuan-
> > >>
> > >> This doesn't work when you change the smoothing factor for a particular
> > >> smoothing type like Gaussian.  The first time you select that, the
> > >> smoothing is correct.  However, when you change the factor, the old
> > >> smoothing is the same as the new smoothing, so it puts in the unsmoothed
> > >> grid.  Load in the same parameter twice as contours.  On one the the
> > >> controls, change the smoothing type, and then play around with the
> > >> smoothing factor and you'll see what I mean.  If you still want to get a
> > >> new release out this week, you might just back out of the change and
> > >> leave it as a known bug for the next release rather than introduce new 
> > >> bugs.
> > >>
> > >> Don
> > >
> > > I re did the logic of checking, adding the smooth factor, now it is 
> > > working better. I even tested to apply the
> > > same smoothing method, and all worked as expect.
> > >
> > > Let me know if I miss anything.
> > >
> > >
> > > Yuan
> > >>
> > >> On 1/10/11 2:16 PM, Unidata IDV Support wrote:
> > >>>> One for the TODO list:
> > >>>>
> > >>>> In the PlanViewControls, when you smooth the grid, you can't go back to
> > >>>> an unsmoothed grid without reloading the data.  There is code in
> > >>>> getSliceForDisplay that checks to see if the smoothing is not NONE
> > >>>> before it does the smoothing.  This was done for performance reasons
> > >>>> because every time you did something that would call this method (e.g.
> > >>>> skip factor), you'd also go through the smoothing code which can be
> > >>>> expensive.  A possible solution would be to have an oldSmoothingType 
> > >>>> and
> > >>>> check if it's changed.  Another would be that if smoothing equals
> > >>>> LABEL_NONE, then use retfield (another if block inside the checkFlag 
> > >>>> block).
> > >>>>
> > >>>> The implementation is left as a simple exercise for the reader.
> > >>>>
> > >>>> Don
> > >>>
> > >>> I have the code changed to allow user moving back to non smoothing to 
> > >>> the field.
> > >>>
> > >>>
> > >>> Yuan
> > >>>> --
> > >>>> Don Murray
> > >>>> NOAA/ESRL/PSD and CIRES
> > >>>> 303-497-3596
> > >>>> http://www.esrl.noaa.gov/psd/people/don.murray/
> > >>>>
> > >>>>
> > >>>
> > >>>
> > >>> Ticket Details
> > >>> ===================
> > >>> Ticket ID: SQR-320006
> > >>> Department: Support IDV
> > >>> Priority: Normal
> > >>> Status: Closed
> > >>>
> > >>
> > >> --
> > >> Don Murray
> > >> NOAA/ESRL/PSD and CIRES
> > >> 303-497-3596
> > >> http://www.esrl.noaa.gov/psd/people/don.murray/
> > >>
> > >>
> > >
> > >
> > > Ticket Details
> > > ===================
> > > Ticket ID: SQR-320006
> > > Department: Support IDV
> > > Priority: Normal
> > > Status: Closed
> > >
> >
> > --
> > Don Murray
> > NOAA/ESRL/PSD and CIRES
> > 303-497-3596
> > http://www.esrl.noaa.gov/psd/people/don.murray/
> >
> >
> 


Ticket Details
===================
Ticket ID: SQR-320006
Department: Support IDV
Priority: Normal
Status: Open